#behavior-genetics

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#birth-order #personality #peer-influence #horse-domestication #ancient-dna #selection-genetics
Science
Birth order has negligible impact on personality; genetic factors and peer influences primarily shape personality while perceived sibling differences stem from environment and family narratives.
fromThe Washington Post
4 months ago

How wild horses became ridable, according to ancient DNA

And while the history of the combustion engines that eventually replaced horses is well understood, precisely how and when our ancestors transformed wild animals into docile and rideable domestic companions has been debated, pieced together from studies of ancient teeth and bones. But a new study of ancient DNA sheds light on how modern horses came to be, pinpointing key genetic changes that shaped their bodies and behavior, helping make the wild animals more docile and rideable.
Science
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